Use the coal cleansing data of Exercise 15.2 on page 609
Chapter 15, Problem 15.35(choose chapter or problem)
Use the coal cleansing data of Exercise 15.2 on page 609 to t a model of the typeE(Y )=0 + 1x1 + 2x2 + 3x3,where the levels are x1, percent solids: 8, 12 x2, ow rate: 150, 250 gal/min x3, pH: 5, 6 Center and scale the variables to design units. Also conduct a test for lack of t, and comment concerning the adequacy of the linear regression model.
Unfortunately, we don't have that question answered yet. But you can get it answered in just 5 hours by Logging in or Becoming a subscriber.
Becoming a subscriber
Or look for another answer